Back support



FIG. 1 shows a perspective view of a back support.

FIG. 2 shows a front elevation view thereof.

FIG. 3 shows a rear elevation view thereof.

FIG. 4 shows a right side elevation view thereof.

FIG. 5 shows a left side elevation view thereof.

FIG. 6 shows a top elevation view thereof.

FIG. 7 shows a bottom elevation view thereof.

FIG. 8 shows a perspective view a back support in use; and,

FIG. 9 shows a perspective view thereof in an alternate position.

The two rows of broken lines shown around the upper perimeter of theback support in all views illustrate claimed stitching. In FIG. 8, thebroken lines illustrating the car seat represent an environmentalfeature and do not form a part of the claim.

CLAIM The ornamental design for a back support, as shown and described.